Hello.
Last week I had a customer.
I was removing dpf from program, after other mechanic removed it from exhaust.
I readed ECU by MPPS v13, then i switched off dpf by ECUsafe 2, and writed ECU again by MPPS v13.
Engine started normally, no check-engine, but when customer pressed accelerator, from exhaust pipe went big cloud of black smoke.
Now customer tell me its my fault.
Is that possible?
Could someone explain me what I did wrong?